Merge branch 'mbedtls-1.3' into development
* mbedtls-1.3:
Include changes from the 1.2 branch
Remove unused headers in o_p_test
Add countermeasure against cache-based lucky 13
Make results of (ext)KeyUsage accessible
Fix missing NULL check in MPI
Fix detection of getrandom()
Fix "make install" handling of symlinks
Fix bugs in programs displaying verify flags
Conflicts:
Makefile
include/polarssl/ssl.h
library/entropy_poll.c
library/ssl_srv.c
library/ssl_tls.c
programs/test/o_p_test.c
programs/test/ssl_cert_test.c
programs/x509/cert_app.c
diff --git a/include/mbedtls/bignum.h b/include/mbedtls/bignum.h
index 84f47e1..a2bb339 100644
--- a/include/mbedtls/bignum.h
+++ b/include/mbedtls/bignum.h
@@ -150,7 +150,9 @@
mbedtls_mpi;
/**
- * \brief Initialize one MPI
+ * \brief Initialize one MPI (make internal references valid)
+ * This just makes it ready to be set or freed,
+ * but does not define a value for the MPI.
*
* \param X One MPI to initialize.
*/